Jig saw



FIG. 1 is a front view of the jig saw.

FIG. 2 is a rear view of the jig saw.

FIG. 3 is a side view of the jig saw.

FIG. 4 is an opposite side view of the jig saw.

FIG. 5 is a top view of the jig saw.

FIG. 6 is a bottom view of the jig saw.

FIG. 7 is a side perspective view of the jig saw; and,

FIG. 8 is an opposite side perspective view of the jig saw. 

I claim the ornamental design for a jig saw, substantially as shown. 